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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">To ASA Members,</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">The message below is to mark the passing of David Crawford, a long-time staff member at the University of Sydney until his retirement just over 20 years ago. His name may
not be well known to newer ASA members but he was a prominent and very longstanding member of the astrophysics group at Sydney.</span><span style="font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">David is one of a small group of ASA members who have been members for 50 or more years! We would like to recognise his outstanding contribution to the Australian astronomical
community and loyalty to the ASA.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Please note the details of the memorial service to be held in Sydney at 12pm on Friday this week.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">If you would like further information, please contact Davids son James Crawford whose mobile number I can provide.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">John
</span><span style="font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">It is with great sadness that we pass on the news that a long-time colleague and friend, Dr David</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Crawford, passed away in late December. This notice will go to all in the School of Physics although</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">many of Davids peers and friends are now long retired. Please pass this notice to any who may not</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">receive this email directly.</span><span style="font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">David began his career at Sydney University in 1960 as a member of the Falkiner Nuclear Department,</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">working on cosmic ray showers. He submitted his PhD thesis in 1965, titled The electron structure of</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">extensive air showers. He then spent three years as a post-doctoral researcher at Cornell University,</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">USA, working on the structure function and distribution of electron-proton cascades. David and his wife</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">June had moved to Cornell University, along with several of his University colleagues, under the Cornell-Sydney University Astronomy Centre agreement brokered by Professors Harry Messel
and Tom Gold.</span><span style="font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">On his return to Sydney in 1969, David joined the Astrophysics Department under Professor Bernard</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Mills and he continued there until his retirement in 2003. While in this group, he worked extensively in</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">the field of cosmology, including on radio source counts, and developed many sophisticated software</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">and analysis packages to process observations from the Molonglo Telescope. He was also a valued</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">member of the Schools teaching staff.
<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">David will be long remembered as a talented and innovative</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">scientist and computer expert. He continued publishing papers after retirement and retained strong</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">connections with colleagues from his time working on cosmic rays.</span><span style="font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">There will be a memorial service held in the
<b>Magnolia Chapel at the Macquarie Park Crematorium</b></span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">on <b>Friday 10th January at 12pm.
</b>Friends and colleagues would be welcome to attend.</span><span style="font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><img width="252" height="324" style="width:2.625in;height:3.375in" id="Picture_x0020_2" src="cid:image001.jpg@01DB60EA.50124530"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#77BB41"> </span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#77BB41">"The standard you walk past is the standard you accept </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#77BB41"></span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#4D4D4D">ASSOCIATE PROFESSOR JOHN OBYRNE </span></b><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#4D4D4D">(he/him)<br>
Secretary, Astronomical Society of Australia Inc. <br>
Sydney Institute for Astronomy | School of Physics | Faculty of Science<br>
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<b>THE UNIVERSITY OF SYDNEY</b></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#4D4D4D">Rm 205, Physics Building A28</span></b><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#4D4D4D"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#4D4D4D">T +</span></b><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#4D4D4D">61 2 9351 3184 (forwarded when off campus)
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<b>E</b> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"><a href="mailto:john.obyrne@sydney.edu.au" title="mailto:john.obyrne@sydney.edu.au"><b><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#0563C1">john.obyrne@sydney.edu.au</span></b></a></span><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#4D4D4D"> | <b>W </b></span><b><u><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#4787FF"><a href="http://sydney.edu.au/science/people/john.obyrne" title="http://sydney.edu.au/science/people/john.obyrne"><span style="color:#0563C1">http://sydney.edu.au/science/people/john.obyrne</span></a></span></u></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#1F4E79">My work hours may differ from yours I am currently not usually working on Mondays and Tuesdays.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#1F4E79">If you receive this email outside your work hours, please dont feel obliged to reply. </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
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